Product Material: Zinc Alloy +TPEColour: BlackQuantity: 1 piecePackage content: 1*Bluetooth receiver1.Add Bluetooth to Your Car: Bluetooth receiver is designed to turn home or audio systems, or speakers into hands-free, Bluetooth-enabled devices. If you want to stream music or listen to phone conversations through cars speakers, but your vehicle didnt come with Bluetooth, Bluetooth Car adapter is an effective solution.2.High-Fidelity Stereo: Equipped with the latest Bluetooth v5.0 chipset, the 3.5mm Bluetooth adapter offers a 10m stable connection without delay. This car Aux Bluetooth adapter delivering clear, functional, and enjoyable sound.3.Hands-Free Calling: Built-in with microphones, bluetooth car aux receiver allows you to enjoy phone calls with hands-free calling straight through the car's speakers. With the help of this compact Aux Bluetooth car kit, you dont have to look down at the phone on the move. Have a safe journey!4.Plug and Play: Just plug it into the 3.5mm aux jack and power it by the USB port, no need to continually charge the battery! The Aux to Bluetooth adapter will automatically connect with your phone when you turn on the car. 5.Durable and Portable: Bluetooth audio adapter for car is made of zinc alloy connectorswhich enhanced the durability of Bluetooth 3.5mm adapter. With a 0.3M-1.5M premium TPE elastic cable, the car USB Bluetooth adapter will meet your needs on different occasions. The bluetooth kit will not take up extra space in your car as it's mini size.